During brooding, balanced feeds must be used, supplemented with high-quality fibrous feeds such as alfalfa. At the first week of age, high-protein diets can cause leg problems. As the age of ostriches increases, the feed utilization rate is reduced, so adult ostriches still need to supply 1 to 2 kg of concentrate every day. However, the actual nutritional needs of ostriches are still poorly known. In South Africa, ostrich feeds are mostly feed for alfalfa, corn and poultry. Nowadays, Zimbabwe ostrich experts have formulated brooding material, growth materials and egg production materials according to the type of chicken feed. In actual production, ostriches usually eat natural plants after 4 months of age. In fact, the ability of ostriches to use cellulose is stronger than we thought. The specific feed requirements for ostriches at each stage are as follows: 1. The use of material or crushed material at the age of 1 to 12 weeks of age, crude protein is 21% to 22% . Each unit of body weight concentrate accounts for 90% of the entire diet, high-quality fiber powder is 10%, or concentrated material is 60%, and high-quality green feed is 40%. As the young bird's age increases, the powder is changed into pellets. 2.12 weeks old until the beginning of egg production or slaughter. Use the growth phase diet. The best form of diet is pellets (maximum particle size is 10 mm), and let ostriches freely grazing or eat roughage. Concentrate consumption does not exceed 1.5 kg per day and varies depending on the season and the nature of the plant. 3. Provide egg-laying diets during the laying period. The diets are square (max. 16 mm), and allow them to freely feed green feed. The consumption of concentrates must not exceed 2 kg each. 4, minerals and vitamins ostrich diet calcium, phosphorus levels higher than chicken feed, generally 25% to 30% higher, in addition, the use of complex minerals and vitamins is extremely important. Usually from 2 weeks to 4 weeks of age, water-soluble vitamins and electrolytes are added to ostrich drinking water. The ostrich likes to eat pellets and the pelletization of the feed can reduce feed wastage. However, during the brooding period or from 1 week to 6 weeks of age, some producers choose powdered materials, and some add a small amount of water to make them moist. It is claimed that the early use of such feed forms in ostriches can promote feed consumption. The above-mentioned three-phase diet is only a simple and rough division. With the increase of ostrich age, its demand for protein is reduced. Therefore, two or three kinds of growth rations are actually needed.
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